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CVE-2018-14938

30
FAUCET Score

CVE-2018-14938 is an integer overflow vulnerability in TCPFLOW versions up to 1.5.0-alpha, specifically within the handle_prism and handle_80211 functions in wifipcap/wifipcap.cpp. This flaw, affecting canonical and digitalcorpora distributions of TCPFLOW, can lead to an out-of-bounds read and potential access to sensitive memory or a denial of service. With a CVSS score of 9.1 (CRITICAL), it presents a high-severity risk due to its network-based attack vector, low attack complexity, and no user interaction required. While there is no evidence of active exploitation, nor publicly available exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion with 10 mentions.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.4.5CPE matchmatch criteria
cpe:2.3:a:digitalcorpora:tcpflow:*:*:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:digitalcorpora:tcpflow:1.5.0:alpha:*:*:*:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
18.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.1CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.75%
Probability of exploitation in next 30 days
EPSS Percentile
84.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0275 is in the 75th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / simsong/tcpflow/commit/a4e1cd14eb5ccc51ed271b65b3420f7d692c40eb
PatchThird Party Advisory
github.com / simsong/tcpflow/issues/182
ExploitThird Party Advisory
lists.debian.org / debian-lts-announce/2020/11/msg00046.html
usn.ubuntu.com / 3955-1
Third Party Advisory